Initial commit of GLESv2 debugger server

Use debug.egl.debug_proc property to match process cmdline.
Binds to TCP:5039 and waits for client connection.
Sends function call parameters, textures and shaders using Protobuf.
Java Eclipse client plug-in is next.

Change-Id: I183b755263663f87e86dde1ad12f527d0445fd57
Signed-off-by: David Li <davidxli@google.com>
diff --git a/opengl/libs/EGL/Loader.cpp b/opengl/libs/EGL/Loader.cpp
index 747c829..55b5436 100644
--- a/opengl/libs/EGL/Loader.cpp
+++ b/opengl/libs/EGL/Loader.cpp
@@ -114,6 +114,8 @@
 
 Loader::~Loader()
 {
+    extern void StopDebugServer();
+    StopDebugServer();
 }
 
 const char* Loader::getTag(int dpy, int impl)